38.243.0.0/16

AS398465 - RACKDOG-LLC - Rackdog, LLC, US

United States

COGENT-A - Cogent Communications, LLC

Summary

NetName
COGENT-A
OrgName
Cogent Communications, LLC
CIDR

38.243.0.0/16

RIR

ARIN

Country

Status

Direct Allocation

Abuse

abuse@cogentco.com

Contact

ipalloc@cogentco.com

RegDate

1991-04-16

Updated

2025-09-23

Routing

AS Desc Country IPv4 NUMs IPv6 NUMs
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35919616 185692717056
AS955 LSHIY - LSHIY LLC, US United States 1536 8589934592
AS3491 CONSOLE-CONNECT-ASN - PCCW Global, Inc., US United States 1155072 13421838336
AS4637 ASN-TELSTRA-GLOBAL - Telstra International Limited, HK Hong Kong 1153280 21474902016
AS9002 RETN-AS - RETN Limited, GB United Kingdom 40448 4294967296
AS9304 HUTCHISON-AS-AP - HGC Global Communications Limited, HK Hong Kong 1862144 12884967424
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 12800 2162688
AS35280 F5 - F5 Networks SARL, FR France 53760 81604378624
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 115712 352458178560
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 104960 77403783168

Whois

NetRange:       38.0.0.0 - 38.255.255.255
CIDR:           38.0.0.0/8
NetName:        COGENT-A
NetHandle:      NET-38-0-0-0-1
Parent:          ()
NetType:        Direct Allocation
OriginAS:
Organization:   Cogent Communications, LLC (COGC)
RegDate:        1991-04-16
Updated:        2025-09-23
Ref:            https://rdap.arin.net/registry/ip/38.0.0.0

OrgName:        Cogent Communications, LLC
OrgId:          COGC
Address:        2450 N Street NW
City:           Washington
StateProv:      DC
PostalCode:     20037
Country:        US
RegDate:        2000-05-30
Updated:        2025-09-23
Comment:        Geofeed https://geofeed.cogentco.com/geofeed.csv
Ref:            https://rdap.arin.net/registry/entity/COGC

ReferralServer:  rwhois://rwhois.cogentco.com:4321

OrgTechHandle: IPALL-ARIN
OrgTechName:   IP Allocation
OrgTechPhone:  +1-877-875-4311
OrgTechEmail:  ipalloc@cogentco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPALL-ARIN

OrgNOCHandle: ZC108-ARIN
OrgNOCName:   Cogent Communications
OrgNOCPhone:  +1-877-875-4311
OrgNOCEmail:  noc@cogentco.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZC108-ARIN

OrgAbuseHandle: COGEN-ARIN
OrgAbuseName:   Cogent Abuse
OrgAbusePhone:  +1-877-875-4311
OrgAbuseEmail:  abuse@cogentco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/COGEN-ARIN

CIDR

38.243.0.0/24 38.243.1.0/24 38.243.2.0/24 38.243.3.0/24
38.243.5.0/24 38.243.6.0/24 38.243.7.0/24 38.243.8.0/24
38.243.10.0/24 38.243.11.0/24 38.243.12.0/24 38.243.13.0/24
38.243.15.0/24 38.243.16.0/24 38.243.17.0/24 38.243.18.0/24
38.243.20.0/24 38.243.21.0/24 38.243.22.0/24 38.243.23.0/24
38.243.25.0/24 38.243.26.0/24 38.243.27.0/24 38.243.28.0/24
38.243.30.0/24 38.243.31.0/24 38.243.32.0/24 38.243.33.0/24
38.243.35.0/24 38.243.36.0/24 38.243.37.0/24 38.243.38.0/24
38.243.40.0/24 38.243.41.0/24 38.243.42.0/24 38.243.43.0/24
38.243.45.0/24 38.243.46.0/24 38.243.47.0/24 38.243.48.0/24
38.243.50.0/24 38.243.51.0/24 38.243.52.0/24 38.243.53.0/24
38.243.55.0/24 38.243.56.0/24 38.243.57.0/24 38.243.58.0/24
38.243.60.0/24 38.243.61.0/24 38.243.62.0/24 38.243.63.0/24
38.243.65.0/24 38.243.66.0/24 38.243.67.0/24 38.243.68.0/24
38.243.70.0/24 38.243.71.0/24 38.243.72.0/24 38.243.73.0/24
38.243.75.0/24 38.243.76.0/24 38.243.77.0/24 38.243.78.0/24
38.243.80.0/24 38.243.81.0/24 38.243.82.0/24 38.243.83.0/24
38.243.85.0/24 38.243.86.0/24 38.243.87.0/24 38.243.88.0/24
38.243.90.0/24 38.243.91.0/24 38.243.92.0/24 38.243.93.0/24
38.243.95.0/24 38.243.96.0/24 38.243.97.0/24 38.243.98.0/24
38.243.100.0/24 38.243.101.0/24 38.243.102.0/24 38.243.103.0/24
38.243.105.0/24 38.243.106.0/24 38.243.107.0/24 38.243.108.0/24
38.243.110.0/24 38.243.111.0/24 38.243.112.0/24 38.243.113.0/24
38.243.115.0/24 38.243.116.0/24 38.243.117.0/24 38.243.118.0/24
38.243.120.0/24 38.243.121.0/24 38.243.122.0/24 38.243.123.0/24
38.243.125.0/24 38.243.126.0/24 38.243.127.0/24 38.243.128.0/24
38.243.130.0/24 38.243.131.0/24 38.243.132.0/24 38.243.133.0/24
38.243.135.0/24 38.243.136.0/24 38.243.137.0/24 38.243.138.0/24
38.243.140.0/24 38.243.141.0/24 38.243.142.0/24 38.243.143.0/24
38.243.145.0/24 38.243.146.0/24 38.243.147.0/24 38.243.148.0/24
38.243.150.0/24 38.243.151.0/24 38.243.152.0/24 38.243.153.0/24
38.243.155.0/24 38.243.156.0/24 38.243.157.0/24 38.243.158.0/24
38.243.160.0/24 38.243.161.0/24 38.243.162.0/24 38.243.163.0/24
38.243.165.0/24 38.243.166.0/24 38.243.167.0/24 38.243.168.0/24
38.243.170.0/24 38.243.171.0/24 38.243.172.0/24 38.243.173.0/24
38.243.175.0/24 38.243.176.0/24 38.243.177.0/24 38.243.178.0/24
38.243.180.0/24 38.243.181.0/24 38.243.182.0/24 38.243.183.0/24
38.243.185.0/24 38.243.186.0/24 38.243.187.0/24 38.243.188.0/24
38.243.190.0/24 38.243.191.0/24 38.243.192.0/24 38.243.193.0/24
38.243.195.0/24 38.243.196.0/24 38.243.197.0/24 38.243.198.0/24
38.243.200.0/24 38.243.201.0/24 38.243.202.0/24 38.243.203.0/24
38.243.205.0/24 38.243.206.0/24 38.243.207.0/24 38.243.208.0/24
38.243.210.0/24 38.243.211.0/24 38.243.212.0/24 38.243.213.0/24
38.243.215.0/24 38.243.216.0/24 38.243.217.0/24 38.243.218.0/24
38.243.220.0/24 38.243.221.0/24 38.243.222.0/24 38.243.223.0/24
38.243.225.0/24 38.243.226.0/24 38.243.227.0/24 38.243.228.0/24
38.243.230.0/24 38.243.231.0/24 38.243.232.0/24 38.243.233.0/24
38.243.235.0/24 38.243.236.0/24 38.243.237.0/24 38.243.238.0/24
38.243.240.0/24 38.243.241.0/24 38.243.242.0/24 38.243.243.0/24
38.243.245.0/24 38.243.246.0/24 38.243.247.0/24 38.243.248.0/24
38.243.250.0/24 38.243.251.0/24 38.243.252.0/24 38.243.253.0/24
38.243.255.0/24